The first step in my exploration of IPV6 was to get an IPV6 address via an IPV4 to IPV6 tunnel. A little research lead me to the fine folks at SixXS.
You want to use Cfengine for scheduling backups instead of crond.
CFEngine’s time based classes and promise theory make it an attractive alternative to venerable crond.
You want to have your bundlesequence change based on class.
Not everyone can afford redundant servers and sites. If you are a small business here are some off site disaster recovery options to think about.